Ratcliffe, J. A.  <br/><br/>
Sun, earth, and radio  an introduction to the ionosphere and magnetosphere 
J. A. Ratcliffe 
 - London  Weidenfeld and Nicolson  1972 
 - 255p.  biblio; llus; index 
 - World University Library Series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>IonosphereMagnetosphereObservatories
<br/><br/><label>Universal Decimal Class. No.: </label>551.510.535/.537  / RAT